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Cassandra

Learn about Apache Cassandra database

The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance.

Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.Cassandra's support for replicating across multiple datacenters is best-in-class, providing lower latency for your users and the peace of mind of knowing that you can survive regional outages.

PROVEN

Cassandra is in use at Constant Contact, CERN, Comcast, eBay,GitHub, GoDaddy, Hulu, Instagram,Intuit, Netflix, Reddit, The Weather Channel, and over 1500 more companies that have large, active data sets.

FAULT TOLERANT

Data is automatically replicated to multiple nodes for fault-tolerance. Replication across multiple data centers is supported. Failed nodes can be replaced with no downtime.

PERFORMANT

Cassandra consistentlyoutperforms popular NoSQL alternatives in benchmarks and real applications, primarily because of fundamental architectural choices.

DECENTRALIZED

There are no single points of failure. There are no network bottlenecks. Every node in the cluster is identical.

SCALABLE

Some of the largest production deployments include Apple's, with over 75,000 nodes storing over 10 PB of data, Netflix (2,500 nodes, 420 TB, over 1 trillion requests per day), Chinese search engine Easou (270 nodes, 300 TB, over 800 million requests per day), and eBay (over 100 nodes, 250 TB).

DURABLE

Cassandra is suitable for applications that can't afford to lose data, even when an entire data center goes down.

YOU'RE IN CONTROL

Choose between synchronous or asynchronous replication for each update. Highly available asynchronous operations are optimized with features like Hinted Handoff and Read Repair.

ELASTIC

Read and write throughput both increase linearly as new machines are added, with no downtime or interruption to applications.

PROFESSIONALLY SUPPORTED

Cassandra support contracts and services are available from third parties.